<template>
  <div>
<!--面包屑导航区域-->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
<!--    卡片视图区域  -->
    <el-card class="box-card">
<!--      搜索与添加区域-->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
            <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
        </el-col>
      </el-row>
<!--    用户列表区域-->
      <el-table :data="userlist" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态">
          <template slot-scope="scope">
            <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)">
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
          <template slot-scope="scope">
<!--            修改按钮-->
            <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)"></el-button>
<!--            删除按钮-->
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeUserById(scope.row.id)"></el-button>
<!--            分配角色按钮-->
            <el-tooltip  effect="dark" content="分配角色" placement="top" :enterable="false">
              <el-button type="warning" icon="el-icon-setting" size="mini"></el-button>
            </el-tooltip>

          </template>
        </el-table-column>
      </el-table>
<!--      分页区域-->
      <el-pagination
          @size-change="handleSizeChange"
          @current-change="handleCurrentChange"
          :current-page="queryInfo.pagenum"
          :page-sizes="[1, 2, 5, 10]"
          :page-size="queryInfo.pagesize"
          layout="total, sizes, prev, pager, next, jumper"
          :total="total">
      </el-pagination>
    </el-card>
    <el-dialog
        title="添加用户"
        :visible.sync="addDialogVisible"
        width="50%"
        @close="addDialogClosed"
    >
<!--      内容主体区域-->
      <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px" >
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
<!--      底部区域-->
      <span slot="footer" class="dialog-footer">
    <el-button @click="addDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="addUser">确 定</el-button>
  </span>
    </el-dialog>
<!--    修改用户的对话框-->
    <el-dialog
        title="修改用户"
        :visible.sync="editDialogVisible"
        width="50%" @close="editDialogClosed">
      <el-form :model="editForm" :rules="editFormRules"  ref="editFormRef" label-width="70px" >
        <el-form-item label="用户名">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!--      底部区域-->
      <span slot="footer" class="dialog-footer">
    <el-button @click="addDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="editUserInfo">确 定</el-button>
  </span>
    </el-dialog>
  </div>
</template>
<script>
export default {
  data(){
    //验证邮箱的规则
    var checkEmail = (rule,value,cb) => {
      const regEmail = /^[a-zA-Z0-9_-]+@[a-zA-Z0-9_-]+(\.[a-zA-Z0-9_-]+)+/
      if(regEmail.test(value)){
        //合法的邮箱
        return cb()
      }
      cb(new Error('请输入合法的邮箱'))
    }
    //验证手机号的规则
    var checkMobile = (rule,value,cb) => {
      const regMobile = /^1[3456789]\d{9}$/
      if(regMobile.test(value)){
        //合法的手机号
        return cb()
      }
      cb(new Error('请输入合法的手机号'))
    }
    return {

      //获取用户列表的参数对象
      queryInfo:{
        query: '',
        pagenum:1,
        pagesize:2
      },
      userlist:[],
      total:0,
      //控制添加用户对话框的显示与隐藏
      addDialogVisible:false,
      //控制修改用户对话框的显示与隐藏
      editDialogVisible:false,
      //添加用户的表单数据
      addForm:{
        username:'',
        password: '',
        email:'',
        mobile:'',
      },
      editForm:{},
      //添加表单的验证规则对象
      addFormRules:{
        username:[
          { required:true,message: '请输入用户名',trigger:'blur' },
          {min:3,max:10,message:'用户名的长度在3~10个字符之间',trigger: 'blur'}
        ],
        password:[
          { required:true,message: '请输入密码',trigger:'blur' },
          {min:6,max:15,message:'用户名的长度在6~15个字符之间',trigger: 'blur'}
        ],
        email:[
          { required:true,message: '请输入邮箱',trigger:'blur' },
          { validator:checkEmail,trigger: 'blur'}
        ],
        mobile:[
          { required:true,message: '请输入手机号',trigger:'blur' },
          { validator:checkMobile,trigger: 'blur'}
        ]
      },
      editFormRules:{
        email:[
          { required:true,message:'请输入用户邮箱',trigger:'blur'},
          {validator:checkEmail,trigger: 'blur'}
        ],
        mobile:[
          { required:true,message:'请输入用户手机',trigger:'blur'},
          {validator:checkMobile,trigger: 'blur'}
        ],
      }
    }
  },
  created() {
    this.getUserList()
  },
  methods:{
    async getUserList(){
      const {data:res} = await this.$http.get('users',{
        params:this.queryInfo
      })
      if (res.meta.status !== 200) return this.$message.error('获取用户列表失败')
      this.userlist = res.data.users
      this.total = res.data.total
      console.log(res)
    },
    //监听pagesize改变的事件
    handleSizeChange(newSize){
      // console.log(newSize)
      this.queryInfo.pagesize = newSize
      this.getUserList()
    },
    //监听页码值改变的事件
    handleCurrentChange(newPage){
      // console.log(newPage)
      this.queryInfo.pagenum = newPage
      this.getUserList()
    },
    //监听 switch开关状态的改变
    async userStateChanged(userinfo){
      // console.log(userinfo)
      const {data:res} = await  this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
      if (res.meta.status !== 200){
        userinfo.mg_state != userinfo.mg_state
        return this.$message.error('更新用户状态失败！')
      }
      this.$message.success('更新用户状态成功！')
    },
    //监听添加用户对话框的关闭事件
    addDialogClosed(){
      this.$refs.addFormRef.resetFields()
    },
    //点击按钮，添加新用户
    addUser(){
      this.$refs.addFormRef.validate(async valid => {
        if (!valid) return
        const {data:res} = await this.$http.post('users',this.addForm)
        if(res.meta.status != 201){
          this.$message.error('添加用户失败！')
        }
        this.$message.success('添加用户成功！')
        this.addDialogVisible = false
        this.getUserList()
      })
    },
    //展示编辑用户的对话框
    async showEditDialog(id){
      // console.log(id)

      const { data:res } = await this.$http.get('users/'+id)
      if (res.meta.status !== 200){
        return this.$message.error('查询用户信息失败！')
      }
      this.editForm = res.data
      this.editDialogVisible = true
    },
    //监听修改用户对话框的关闭事件
    editDialogClosed() {
      this.$refs.editFormRef.resetFields()
    },
    //修改用户信息并提交
    editUserInfo(){
      this.$refs.editFormRef.validate( async valid =>{
        if (!valid) return
        const {data:res} = await this.$http.put('users/'+this.editForm.id,{
          email:this.editForm.email,
          mobile:this.editForm.mobile
        })
        if(res.meta.status !== 200){
          return this.$message.error('更新用户信息失败！')
        }
        this.editDialogVisible = false
        this.getUserList()
        this.$message.success('更新用户信息成功')
      })
    },
    //根据id删除对应的用户信息
    async removeUserById(id){
      const confirmResult = await this.$confirm('此操作将永久删除该用户，是否继续？','提示',{
        confirmButtonText:'确定',
        cancelButtonText:'取消',
        type:'warning'
      }).catch(err => err)
      if (confirmResult !== 'confirm'){
        return this.$message.info('已取消删除')
      }
      const { data:res } = await this.$http.delete('users/'+id)
      if (res.meta.status !== 200){
        return this.$message.error('删除用户失败！')
      }
      this.$message.success('删除用户成功！')
      this.getUserList()
    }
  }
}
</script>

<style lang="less" scoped>

</style>
